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GD Satcom C139M Ku-Band 1.39M High Wind Mobile Antenna

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  • Aluminum / Carbon fiber construction
  • Low sidelobes, high E.I.R.P. capability
  • Low profile, precision alignment
  • GPS or jog controller options


SKU:

C139M Ku-Band 2-Port X-pol Compensated Electrical
Frequency

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10.95 - 12.75 GHz

13.75 - 14.50 GHz
Antenna Gain at Midband

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42.50 dBi

44.10 dBi
VSWR

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1.35:1 (16.5 dB)

1.30:1 (17.7 dB)
Beamwidth (in degrees at midband)

    -3 dB

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    -10 dB

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1.23°

1.03°



2.58°

2.16°
Sidelobe Performance Meets Eutelsat, FCC 25.209, ITU-RS-580
Antenna Noise Temperature

    5° Elevation

    10° Elevation

    20° Elevation

    40° Elevation


72 K

58 K

51 K

50 K
Power Handling (total) 1 kW CW
Cross Polarization Isolation (minimum)

    On Axis

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    Within 1.0 dB Beamwidth

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35 dB

35 dB



27 dB

35 dB
Port to Port Isolation (minimum)

    Rx/Tx (Rx frequency)

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    Tx/Rx (Tx frequency)

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0 dB

-30 dB



-85 dB

0 dB
RF Specifications 975-3972
Mechanical
Antenna Diameter 1.39 meters (4.6 ft)
Antenna Type Single offset
Reflector Construction Carbon fiber with white paint on surface
Mount Type Elevation over azimuth
Antenna Travel

    Elevation

    Azimuth


5° - 90° of reflector boresight

±180° continuous
Stow Height 19 in (48 cm)
Antenna Weight 240 lbs. (109 kg)
Integration Capability 100 lbs. (45 kg) on feed boom, axis crossover for rack mounting
Environmental
Wind Performance (depends on vehicle capabilities)

    Pointing Loss of 0.8 dB

    Drive

    Survival

 


45 mph (72 km/h) gusting to 60 mph (97 km/h)

60 mph (97 km/h) gusting to 75 mph (121 km/h)

80 mph (128 km/h) any position

112 mph (180 km/h) at stow
Temperature Range

    Operational

    Survival


-5° to +130° F (-20° to +55° C)

-40° to +140° F (-40° to +60° C)
Rain Up to 4 in/h (10 cm/h)
Relative Humidity 0% to 100% with condensation
Solar Radiation 360 BTU/h/ft² (1000 Kcal/h/m²)
Radial Ice (survival) 1 in (2.5 cm)
Shock and Vibration Tolerant to conditions encountered during shipment by airplane, ship or truck. Atmospheric

tolerant to conditions encountered in coastal regions and/or heavily industrialized areas.

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